Finding the Fourth Proportional to 695.74, 960.13 and 415.99
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Solution
The fourth proportional to 695.74, 960.13 and 415.99 is: 574.07
Step by Step Solution
- Step 1: Write the proportion equation
695.74 : 960.13 = 415.99 : x - Step 2: Convert to fraction form
695.74/960.13 = 415.99/x - Step 3: Cross multiply
695.74x = 960.13 × 415.99 - Step 4: Simplify right side
695.74x = 399,402.26 - Step 5: Solve for x
x = 399,402.26/695.74 - Step 6: Final answer
x = 574.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.